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1421352131254 = 21164606915057
BaseRepresentation
bin10100101011101111001…
…100000101101010110110
312000212202110210110002221
4110223233030011222312
5141241412121200004
63004543220552554
7204455300526406
oct24535714055266
95025673713087
101421352131254
114a8879250560
121ab573b5275a
13a405746cc73
144cb18302806
1526e8c967354
hex14aef305ab6

1421352131254 has 8 divisors (see below), whose sum is σ = 2325848942088. Its totient is φ = 646069150560.

The previous prime is 1421352131207. The next prime is 1421352131321. The reversal of 1421352131254 is 4521312531241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×14213521312542 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32303457507 + ... + 32303457550.

It is an arithmetic number, because the mean of its divisors is an integer number (290731117761).

Almost surely, 21421352131254 is an apocalyptic number.

1421352131254 is a deficient number, since it is larger than the sum of its proper divisors (904496810834).

1421352131254 is a wasteful number, since it uses less digits than its factorization.

1421352131254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64606915070.

The product of its digits is 28800, while the sum is 34.

Adding to 1421352131254 its reverse (4521312531241), we get a palindrome (5942664662495).

The spelling of 1421352131254 in words is "one trillion, four hundred twenty-one billion, three hundred fifty-two million, one hundred thirty-one thousand, two hundred fifty-four".

Divisors: 1 2 11 22 64606915057 129213830114 710676065627 1421352131254